@article{EXMATH_1998_1998_1_a29,
     author = {Charatonik, Janusz J.},
     title = {Algunas cuestiones sobre la propiedad del factor composici\'on para aplicaciones at\'omicas.},
     journal = {Extracta mathematicae},
     pages = {283-287},
     year = {1998},
     volume = {13},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1998_1998_1_a29/}
}